Question: Which child of Louis VIII of France died 8/25/1270?
Paraphrase: The name of Louis VIII child who died in 9/25/1270?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q165284 p:P40 ?s . ?s ps:P40 ?obj . ?s pq:P570 ?x filter(contains(YEAR(?x),'1270')) }